diff --git a/rocksdb/table_factory.pxd b/rocksdb/table_factory.pxd
index 9bb9b919160e6ddd2e297153caafff1a4f4810bf..738fd6449500a81c1776e65b2c1aaeae49d53472 100644
--- a/rocksdb/table_factory.pxd
+++ b/rocksdb/table_factory.pxd
@@ -32,6 +32,7 @@ cdef extern from "rocksdb/table.h" namespace "rocksdb":
         shared_ptr[FilterPolicy] filter_policy
         cpp_bool enable_index_compression
         cpp_bool cache_index_and_filter_blocks
+        int format_version
 
     cdef TableFactory* NewBlockBasedTableFactory(const BlockBasedTableOptions&)